[A controlled double-blind crossover study of the efficacy of mepiprazol (EMD 16.923) and of diazepam in the treatment of neurotic disorders].

After a preliminary encouraging trial of mepiprazol (EMD 16.923) on 8 patients, a double-blind cross-over study of mepiprazol and diazepam was performed in order to compare their effect in the treatment of neurotic disorders, particularly on various forms of anxiety.